08:12How to Calculate Mass Percent of Solute and Solvent of Solution Examples and Practice ProblemsConquer Chemistry800views
08:04Mass Percent of a Solution Made Easy: How to Calculate Mass % or Make a Specific Concentrationketzbook551views
31:25Molarity, Molality, Volume & Mass Percent, Mole Fraction & Density - Solution Concentration ProblemsThe Organic Chemistry Tutor796views
Multiple ChoiceCalculate the amount of water (in kilograms) that must be added to 12.0 g of urea, (NH2)2CO, in the preparation of a 18.3 percent by mass solution. The molar mass of urea, (NH2)2CO, is 60.055 g/mol.556views1rank
Multiple ChoiceA solution was prepared by dissolving 51.0 g of KBr in 310 mL of water. Calculate the mass percent of KBr in the solution.479views3rank
Multiple ChoiceAn aqueous LiNO2 solution is made using 90.3 g LiNO2 and diluting it to a total volume of 1.72 L. If the density of the solution is 1.20 g/mL, what is the mass percent of the solution?446views1rank
Multiple ChoiceDetermine the percent sulfuric acid by mass of a 1.37 m aqueous solution of H2SO4.439views2rank
Multiple ChoiceWhat is the mass percent of concentrated aqueous HCl (11.8 M)? The solution has a density of 0.909 g/mL.248views
Textbook QuestionA 10.0 M aqueous solution of NaOH has a density of 1.33 g/cm3 at 25 C. Calculate the mass percent of the NaOH in the solution (a) 53.2% (b) 30.1% (c) 40.0% (d) 13.3%1390views
Textbook QuestionAscorbic acid 1vitamin C, C6H8O62 is a water-soluble vitamin. A solution containing 80.5 g of ascorbic acid dissolved in 210 g of water has a density of 1.22 g>mL at 55 °C. Calculate (a) the mass percentage,498views
Textbook QuestionCommercial aqueous nitric acid has a density of 1.42 g>mL and is 16 M. Calculate the percent HNO3 by mass in the solution.2640views1comments
Textbook QuestionThe rate of a first-order reaction is followed by spectroscopy, monitoring the absorbance of a colored reactant at 520 nm. The reaction occurs in a 1.00-cm sample cell, and the only colored species in the reaction has an extinction coefficient of 5.60 * 103 M-1 cm-1 at 520 nm. (a) Calculate the initial concentration of the colored reactant if the absorbance is 0.605 at the beginning of the reaction.261views
Textbook QuestionFind the percent by mass of sodium chloride in a 1.35 M NaCl solution. The density of the solution is 1.05 g/mL.2565views3rank